Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
172166 (2002 NU56)
Classification: Main-belt Asteroid          SPK-ID: 2172166
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .260091371961771 3.8802e-08  
a 2.557335786031949 2.0232e-08 au
q 1.892194812875965 9.3889e-08 au
i 2.324477071625228 5.2622e-06 deg
node 4.424814195702535 0.0001601 deg
peri 334.3340264541629 0.00016104 deg
M 98.83494020155422 1.7874e-05 deg
tp 2458590.401610382198
(2019-Apr-16.90161038)
7.4173e-05 TDB
period 1493.757369219183
4.09
1.7727e-05
4.853e-08
d
yr
n .241002995143836 2.86e-09 deg/d
Q 3.222476759187932 2.5495e-08 au
  Orbit Determination Parameters
   # obs. used (total)      580  
   data-arc span      7837 days (21.46 yr)  
   first obs. used      1998-07-21  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51517  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 21:45:02  

Additional Information
 Earth MOID = .883681 au 
 Jupiter MOID = 2.17799 au 
 T_jup = 3.387 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.5   n/a MPO449894  

172166 (2002 NU56)          Discovered 2002-Jul-01 by Tristram, P. J. at Lake Tekapo
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

[ show close-approach data ]
Alternate Designations
 2002 NU56 = 2000 AF94 = 2003 YQ77 = 2005 EX53 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Feb-16 22:10 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin